How many 5-digit numbers can be created using the digits 2, 3, 5, 7, and 8 without repeating any digits within that 5-digit number?
Grid-in question: work out the answer and enter it as a number.
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Correct answer: 120
The answer is 120.
There are 5 choices for the first digit, 4 choices for the second digit, 3 choices for the third digit, 2 choices for the fourth digit, and 1 choice for the final digit.
The total number of possibilities is
5 x 4 x 3 x 2 x 1 = 120